CVE-2007-1216

What it is

Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".

At a glance

Exploitability

Can be exploited over the network with a login. High risk of data exposure, data tampering, service disruption.

Exploit odds

9.9% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2007-04-06 01:19 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:37 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 9.9% in the next 30 days (EPSS).
• Severity: 9.0 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2007-04-06 01:19 UTC

Last modified

2026-06-16 22:37 UTC

Exploit probability

9.9% · EPSS, next 30 days

Weakness

CWE-415

Record status

Modified

Affected

• Mit Kerberos 5 < 1.6.1
• Canonical Ubuntu Linux 5.10
• Canonical Ubuntu Linux 6.06
• Canonical Ubuntu Linux 6.10
• Debian Linux 3.1
• Debian Linux 4.0

Attack profile CVSS 2.0 · 9.0

Attack vector

Network

Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-1216.md and follow it. Check whether this project is affected by CVE-2007-1216. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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